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v8ã«é–¢ã™ã‚‹tsukkeeã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (8)

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Embedder's Guide - V8 JavaScript Engine - JavaScriptã§éŠã¶ã‚ˆ - g:javascript
ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—ã®çµ‚äº†æ—¥ã‚’2020å¹´1æœˆ31æ—¥(é‡‘)ã«æ±ºå®šã—ã¾ã—ãŸ ä»¥ä¸‹ã®ã‚¨ãƒ³ãƒˆãƒªã®é€šã‚Šã€ä»Šå¹´æœ«ã‚’ç›®å‡¦ã«ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—ã‚’çµ‚äº†äºˆå®šã§ã‚ã‚‹æ—¨ã‚’ãŠçŸ¥ã‚‰ã›ã—ã¦ãŠã‚Šã¾ã—ãŸã€‚ 2019å¹´æœ«ã‚’ç›®å‡¦ã«ã€ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—ã®æä¾›ã‚’çµ‚äº†ã™ã‚‹äºˆå®šã§ã™ - ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—æ—¥è¨˜ ã“ã®ãŸã³ã€æ£å¼ã«çµ‚äº†æ—¥ã‚’æ±ºå®šã„ãŸã—ã¾ã—ãŸã®ã§ã€ä»¥ä¸‹ã®é€šã‚Šã”ç¢ºèªãã ã•ã„ã€‚ çµ‚äº†æ—¥: 2020å¹´1æœˆ31æ—¥(é‡‘) ã‚¨ã‚¯ã‚¹ãƒãƒ¼ãƒˆå¸Œæœ›ç”³è«‹æœŸé™:2020å¹´1æœˆ31æ—¥(é‡‘) çµ‚äº†æ—¥ä»¥é™ã¯ã€ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—ã®é–²è¦§ãŠã‚ˆã³æŠ•ç¨¿ã¯è¡Œãˆã¾ã›ã‚“ã€‚æ—¥è¨˜ã®ã‚¨ã‚¯ã‚¹ãƒãƒ¼ãƒˆãŒå¿…è¦ãªæ–¹ã¯ä»¥ä¸‹ã®è¨˜äº‹ã«ã—ãŸãŒã£ã¦æ‰‹ç¶šãã‚’ã—ã¦ãã ã•ã„ã€‚ ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—ã«æŠ•ç¨¿ã•ã‚ŒãŸæ—¥è¨˜ãƒ‡ãƒ¼ã‚¿ã®ã‚¨ã‚¯ã‚¹ãƒãƒ¼ãƒˆã«ã¤ã„ã¦ - ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—æ—¥è¨˜ ã”åˆ©ç”¨ã®ã¿ãªã•ã¾ã«ã¯ã”è¿·æƒ‘ã‚’ãŠã‹ã‘ã„ãŸã—ã¾ã™ãŒã€ã©ã†ãžã‚ˆã‚ã—ããŠé¡˜ã„ã„ãŸã—ã¾ã™ã€‚ 2020-06-25 è¿½è¨˜ ã¯ã¦ãªã‚°ãƒ«ãƒ¼ãƒ—æ—¥è¨˜ã®ã‚¨ã‚¯ã‚¹ãƒãƒ¼ãƒˆãƒ‡ãƒ¼ã‚¿ã¯2020å¹´2æœˆ28
tsukkee 2010/04/13
javascript

v8
ãƒªãƒ³ã‚¯
V8 ç¥ã‚Šã¤ã¥ã - Backnumbers: Steps to Phantasien
å‰å›žã®ç¶šãã§ã™. ã‚³ãƒ¼ãƒ‰ã¯é£½ããªã„ã†ã¡ã«èªã‚. ã“ã‚Œã¾ã§ã®ã‚ã‚‰ã™ã˜: ãƒ—ãƒãƒ‘ãƒ†ã‚£ã‚¢ã‚¯ã‚»ã‚¹ã‚’é€Ÿãã—ãŸã„ã‹ã‚‰ JIT ã‚’ã—ã‚ˆã†ãœ. ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©æ¦‚è¦³ V8 ã®ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã¯ JavaScript ã® AST ã‚’æ©Ÿæ¢°èªžã«å¤‰æ›ã™ã‚‹. (AST ã¯ãƒ‘ãƒ¼ã‚µãŒã¤ãã‚‹.) AST ã®ãƒ„ãƒªãƒ¼æ§‹é€ ã¯, Node ã‚¯ãƒ©ã‚¹ã®ã‚µãƒ–ã‚¯ãƒ©ã‚¹ä¸€æ—ã§æ§‹æˆã•ã‚Œã¦ã„ã‚‹ (ast.h) ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã¯é–¢æ•°ã® AST ã§ã‚ã‚‹ FunctionLiteral ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’ã†ã‘ã¨ã£ã¦ Code ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã‚’ç”Ÿæˆã™ã‚‹. AST ã¨ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã¯(ã¾ãŸã—ã¦ã‚‚) Visitor ãƒ‘ã‚¿ãƒ¼ãƒ³ã§ã¤ãªãŒã‚‹. (Visitor å¥½ãã¯ Strongtalk ã‹ã‚‰ã®ä¼çµ±ã‚‰ã—ã„. Strongtalk VM ã®ã‚³ãƒ³ãƒ‘ã‚¤ãƒ©ã‚‚åŒã˜ã‚ˆã†ãªã“ã¨ã‚’ã—ã¦ã„ã‚‹. 20 ä¸–ç´€ã®æ®‹ã‚Šé¦™ãŒ...) AST å´ã¯ Vistor ã®ã‚¤ãƒ³ã‚¿ãƒ¼ãƒ•ã‚§ã‚¤ã‚¹ã‚’æä¾›ã™ã‚‹: //ast.h cl
tsukkee 2008/10/13
googlechrome

v8
ãƒªãƒ³ã‚¯
steps to phantasien(2008-09-07) v8ç¥ã‚Š
ã‚¦ã‚§ãƒ–ã£åã®é–“ã§ã¯ Google Chrome ã® JS å‡¦ç†ç³»ã§ã‚ã‚‹ V8 ç¥ã‚ŠãŒçµ¶è³›é–‹å‚¬ä¸ã‚‰ã—ã„. ã„ã¤ã‚‚ã¯å‡ºé…ã‚Œã‚‹ç§ã‚‚ãŸã¾ã«ã¯ã‚„ã‚“ã‚„ã—ãŸã„ã¨æ€ã£ã¦ã„ã‚ã„ã‚èªã‚“ã§ã¿ãŸã‚‚ã®ã®, VM ã«é£Ÿå‚·æ°—å‘³ãªè‡ªåˆ†ã«æ°—ä»˜ã„ãŸ. ã‘ã‚Œã©, ãã†ã¯è¨€ã£ã¦ã‚‚ç¥ã‚Šã¯åˆ¥è…¹. ä¸€é€šã‚Šé¨’ã„ã§ã¿ã¾ã™. è²©ä¿ƒãƒžãƒ³ã‚¬ ã‚„ è³‡æ–™ ã«ã‚ˆã‚Œã°, V8 ã¯ä»¥ä¸‹ã®ã‚ˆã†ãªç‰¹å¾´ã‚’å‚™ãˆã¦ã„ã‚‹. hidden class transition ã¨ fast property access generational accurate GC accurate ã ã‹ã‚‰ incremental GC ã‚‚ã§ãã‚‹ ã‚ªãƒ–ã‚¸ã‚§ã‚¯ãƒˆã® rellocation ã¯ã™ã‚‹ã‘ã© handle ã¯ä½¿ã‚ãšå‚ç…§å…ƒæ›¸ãæ›ãˆ ä¸é–“è¡¨ç¾ã®ã‚¤ãƒ³ã‚¿ãƒ—ãƒªã‚¿ãªã—ã® native code ç”Ÿæˆ. instruction cache ã‚³ãƒ¼ãƒ‰ã‚’ã¿ãŸã¨ã“ã‚, incremental GC
tsukkee 2008/10/13
V8ã®ã‚³ãƒ¼ãƒ‰ã‚’çœºã‚ã¦ã¿ã‚‹

v8

googlechrome
ãƒªãƒ³ã‚¯
John Resig - JavaScript Performance Rundown
A new JavaScript Engine has hit the pavement running: The new V8 engine (powering the brand-new Google Chrome browser). There are now a ton of JavaScript engines on the market (even when you only look at the ones being actively used in browsers): JavaScriptCore: The engine that powers Safari/WebKit (up until Safari 3.1). SquirrelFish: The engine used by Safari 4.0. Note: The latest WebKit nightly
tsukkee 2008/10/13
SunSpiderã ã¨V8ã‚ˆã‚ŠTraceMonkeyã®æ–¹ãŒã¯ã‚„ã„ã‚‰ã—ã„

firefox

tracemonkey

googlechrome

v8

safari

squirrelfish

webkit
ãƒªãƒ³ã‚¯
tokuhirom blog
Blog Search when-present<#else>when-missing. (These only cover the last step of the expression; to cover the whole expression, use parenthesis: (myOptionalVar.foo)!myDefault, (myOptionalVar.foo)?? ---- ---- FTL stack trace ("~" means nesting-related): - Failed at: ${entry.path} [in template "__entry.ftlh" at line 3, column 25] - Reached through: #include "__entry.ftlh" [in template "entry.ftlh" at
tsukkee 2008/10/13
javascript

v8

fastcgi
ãƒªãƒ³ã‚¯
ç„¡æ–™ã‚µãƒ¼ãƒ“ã‚¹ã‚’ä½¿ãˆï¼ â€“ å½¹ç«‹ã¤ç„¡æ–™ã‚µãƒ¼ãƒ“ã‚¹ã®ãƒ¬ãƒ“ãƒ¥ãƒ¼ã€ã¾ã¨ã‚ã€æ¯”è¼ƒè¨˜äº‹ã‚’ç´¹ä»‹
ã‚³ãƒ³ãƒ†ãƒ³ãƒ„ã¸ã‚¹ã‚ãƒƒãƒ— ç„¡æ–™ã§ä½¿ãˆã‚‹ï¼HubSpotã®é¡§å®¢ãƒªã‚¹ãƒˆã®æ´»ç”¨æ³• ç„¡æ–™ã®ã‚¢ãƒ³ã‚±ãƒ¼ãƒˆä½œæˆãƒ„ãƒ¼ãƒ« æ¯”è¼ƒï¼ã¾ã¨ã‚ ç„¡æ–™ã€ŒExcelã€ ãƒ†ãƒ³ãƒ—ãƒ¬ãƒ¼ãƒˆ æ¯”è¼ƒï¼ã¾ã¨ã‚ ç„¡æ–™ã§ä½¿ãˆã‚‹ãƒŽãƒ¼ãƒˆã‚¢ãƒ—ãƒªæ¯”è¼ƒ (Evernote / OneNote / Google Keep) ãŠã™ã™ã‚ã®ç„¡æ–™Webä¼šè°ã‚·ã‚¹ãƒ†ãƒ 5é¸ WebP Converter å¾¹åº•è§£èª¬ï¼åˆå¿ƒè€…ã§ã‚‚ç›´ãã«ä½¿ãˆã‚‹ HubSpot ã¯ã€ãƒžãƒ¼ã‚±ãƒ†ã‚£ãƒ³ã‚°ã€ã‚»ãƒ¼ãƒ«ã‚¹ã€ã‚µãƒ¼ãƒ“ã‚¹ã®ãŸã‚ã®CRMï¼ˆContinue reading å¤šãã®äººã®å£°ã‚’èžãã“ã¨ã§æ”¹å–„ã§ãã‚‹ã“ã¨ã‚‚å¤šã„ ä¼æ¥ã‚„å›£ä½“ãªã©é‹å–¶ã—ã¦ã„Continue reading å°±è·ãƒ»è»¢è·ã«ã¯å¿…é ˆã¨ãªã‚‹å±¥æ´æ›¸ãƒ»è·å‹™çµŒæ´æ›¸ ã“ã‚Œã‹ã‚‰å°±è·æ´»å‹•ã‚’ã‚¹ã‚¿ãƒ¼ãƒˆContinue reading ä¾¿åˆ©ãªãƒŽãƒ¼ãƒˆã‚¢ãƒ—ãƒªã§åŠ¹çŽ‡çš„ãªä»•äº‹ã‚’ã—ã‚ˆã† ã„ã¤ã®æ™‚ä»£ã‚‚ä»•äº‹ã‚’ã—ã¦ã„ã¦ãƒ¡Continue reading è¿‘å¹´ã€ãƒªãƒ¢ãƒ¼ãƒˆãƒ¯ãƒ¼ã‚¯
tsukkee 2008/10/13
googlechrome

javascript

v8
ãƒªãƒ³ã‚¯
blog.8-p.info - 2008-09-03 10:06
Google Chrome ã¿ãŸã‚ˆã€‚ã‚¤ãƒ³ã‚¯ãƒªãƒ¡ãƒ³ã‚¿ãƒ«ã‚µãƒ¼ãƒã§ã‚¹ã‚¯ãƒãƒ¼ãƒ«ãƒãƒ¼ã«è‰²ãŒã¤ãã¨ã“ã¨ã‹ã€ãƒªãƒ³ã‚¯ã«ãƒžã‚¦ã‚¹ä¹—ã›ãŸã¨ãã® URI ã®è¡¨ç¤ºã¨ã‹ã€æœ€å¤§åŒ–ã™ã‚‹ã¨ã‚¿ã‚¤ãƒˆãƒ«ãƒãƒ¼ãŒç´°ããªã‚‹ã¨ã‹ã€ã„ã‚ã„ã‚ã¨ã‚ˆãã§ãã¦ã‚‹ã€‚OS æ¨™æº–ã‚’ç„¡è¦–ã—ã™ãŽã ã‘ã©ã€‚ å¼•æ•°ã§ --app=URI ã§ã‚¿ã‚¤ãƒˆãƒ«ãƒãƒ¼ã¨ã‹ãŒæ¶ˆãˆã‚‹ã®ã§ Prism, Fluid ã¿ãŸã„ã«ã‚‚ä½¿ãˆã‚‹ã€‚ãƒ–ãƒ©ã‚¦ã‚¶ã‹ã‚‰ã‚·ãƒ¼ãƒ ãƒ¬ã‚¹ã«ã‚µã‚¤ãƒˆå°‚ç”¨ãƒ–ãƒ©ã‚¦ã‚¶ãŒã§ãã‚‹ã®ã¯ã€Safari ã® Web ã‚¯ãƒªãƒƒãƒ—ãªã‚“ã‹ã‚‚ä¼¼ã¦ã‚‹ã‚ˆã†ãªã€‚ ã‚¤ãƒ³ã‚¹ãƒšã‚¯ã‚¿ã¯ Apple ã‹ã‚‰ã‚‚ã£ã¦ãã¦ã‚‹ã€‚Resources/Inspector/inspector.html ã«ã¯ Copyright (C) 2006, 2007, 2008 Apple Inc. All rights reserved. ã¨ã¯ã„ã£ã¦ã„ã‚‹ã€‚ V8 ã¯ãƒ“ãƒ«ãƒ‰ãŒ Scons ãªã®ãŒç›®æ–°ã—ã„ã€‚ãƒã‚¤ãƒ†ã‚£ãƒ–ã‚³ãƒ¼ãƒ‰ã¾ã‚ã‚Šã‚’ã¡ã‚‰ã¿ã—
tsukkee 2008/10/13
googlechrome

javascript

v8
ãƒªãƒ³ã‚¯
Google Chrome ã® JavaScript ã‚¨ãƒ³ã‚¸ãƒ³ V8 ã‚’è©¦ã™ - ITæˆ¦è¨˜
ï¼ˆåŸºæœ¬ã ã‚‰ã ã‚‰é€²è¡Œã§ã€éŽç¨‹ã‚’è¿½è¨˜ã—ã¦ã„ãã¾ã™ï¼‰ Google Chrome ãŒå‡ºã¾ã—ãŸ Google Chrome ã§ JavaScript ã‚¨ãƒ³ã‚¸ãƒ³ãŒåˆ·æ–°ã•ã‚ŒãŸã¨ã„ã†ã“ã¨ã§ã€ãã® JavaScript ã‚¨ãƒ³ã‚¸ãƒ³ V8 ã«ã¤ã„ã¦ã„ã‚ã„ã‚èª¿ã¹ã¦ã¿ã‚ˆã†ã¨æ€ã„ã¾ã™ã€‚ Issues - v8 - V8 JavaScript Engine - Monorail ãƒ“ãƒ«ãƒ‰ã—ã¦ã¿ã‚‹ ã¾ãšã€ svn ã‹ã‚‰ã‚½ãƒ¼ã‚¹ã‚’æŒã£ã¦ãã‚‹ $ svn co http://v8.googlecode.com/svn/trunk/ v8ãŠãŠãŠã€‚ä»¥å¤–ã¨å°‘ãªã„ ã§ã€ trunk ã®ä¸ã«å…¥ã£ã¦ $ cd v8scons ã§ãƒ“ãƒ«ãƒ‰ï¼ˆscons ãŒå…¥ã£ã¦ãªã„äººã¯ã€ port ã‚„ apt-get ã§å…¥ã‚Œã‚‹ï¼‰ $ scons scons: Reading SConscript files ... scons: done reading SC
tsukkee 2008/10/13
googlechrome

v8

javascript
ãƒªãƒ³ã‚¯
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